precision mediump float;
uniform sampler2D u_texture;
varying vec4 v_ambient;
varying vec4 v_diffuse;
varying vec2 v_uv;
void main()
{
    vec4 fragmentColor = vec4(1.0, 0.0, 0.0, 1.0);;
    gl_FragColor = fragmentColor * (v_diffuse + v_ambient);
   
}
